Freire de Araújo Patrício, Anna Cláudia, Lopes Rodrigues, Brenda, Ferreira, Milena, Gomes, Ruth, de Brito, Thays, de Medeiros, Ana Rebeca, Félix, Iana Virgínia, AND Santos, Jiovana. " Application of Mental Health Scale and Perceived Stress in Elderly Assisted by Basic Health Units" International Archives of Medicine [Online], Volume 9(4 April 2016)